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the modulus increase from Kevlar® 29 toKevlar® 149.The respective moduli, brought by various spinning conditions and post-treatments performed on para-aramid precursors, are generally considered as intermediate between those of graphite, boron and glass fibres. Type Tenacity Initial Elongation at (mN/tex) modulus break (%) (N/tex) Kevlar® 29 2030 49 3.6 Kevlar® 49 2080 78 2.4 Kevlar® 149 1680 115 1.3 ¾ùΪ¶Å°î×¢²áµÄÉÌÆ·Ãû Ö÷Òª³õʼģÁ¿µÄ²îÒ죬Æä·Ö×ӽṹÊÇÒ»ÑùµÄ£¬ Á¦Ñ§ÐÔÄܲîÒìÀ´Ô´Æä·ÄË¿¹¤ÒյIJîÒì¡£ |
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3Â¥2008-05-06 08:56:46
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4Â¥2008-05-11 17:45:22














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